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Gevo Sues Butamax, DuPont Over U.S. Patent for Biofuels

Gevo Inc., a maker of biofuels, sued DuPont Co. and its business partner Butamax Advanced Biofuels, in federal court in Delaware alleging infringement of a new patent for alcohol fermentation processes.

The patent, awarded today to Englewood, Colorado-based Gevo, covers methods for alcohol recovery at reduced cost, according to its written description.